WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000807394
<NAME> PRUDENTIAL MUNICIPAL BOND FUND
<SERIES>
<NUMBER> 004
<NAME> HIGH INCOME SERIES (CLASS Z)
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> APR-30-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 956,364,851
<INVESTMENTS-AT-VALUE> 938,823,464
<RECEIVABLES> 20,443,082
<ASSETS-OTHER> 287,196
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 959,553,742
<PAYABLE-FOR-SECURITIES> 16,908,410
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3,999,413
<TOTAL-LIABILITIES> 20,907,823
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,003,646,094
<SHARES-COMMON-STOCK> 92,432,153
<SHARES-COMMON-PRIOR> 97,838,125
<ACCUMULATED-NII-CURRENT> 486,989
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (48,141,982)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (17,345,182)
<NET-ASSETS> 938,645,919
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 33,099,482
<OTHER-INCOME> 0
<EXPENSES-NET> 4,642,600
<NET-INVESTMENT-INCOME> 28,456,882
<REALIZED-GAINS-CURRENT> (10,868,907)
<APPREC-INCREASE-CURRENT> 4,515,861
<NET-CHANGE-FROM-OPS> 22,103,836
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (28,006,882)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 25,884,172
<NUMBER-OF-SHARES-REDEEMED> (93,904,613)
<SHARES-REINVESTED> 12,991,447
<NET-CHANGE-IN-ASSETS> (60,932,040)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (37,236,086)
<OVERDISTRIB-NII-PRIOR> 0
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4,641,776
<AVERAGE-NET-ASSETS> 7,605,000
<PER-SHARE-NAV-BEGIN> 10.21
<PER-SHARE-NII> 0.31
<PER-SHARE-GAIN-APPREC> (0.06)
<PER-SHARE-DIVIDEND> (0.31)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.15
<EXPENSE-RATIO> 0.58
[AVG-DEBT-OUTSTANDING] 0.00
[AVG-DEBT-PER-SHARE] 0.00
</TABLE>
